Home / 946,489.74-1,420,033.36-719,870.91

Finding the Fourth Proportional to 946,489.74, 1,420,033.36 and 719,870.91

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Solution

The fourth proportional to 946,489.74, 1,420,033.36 and 719,870.91 is: 1,080,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,489.74 : 1,420,033.36 = 719,870.91 : x
  2. Step 2: Convert to fraction form
    946,489.74/1,420,033.36 = 719,870.91/x
  3. Step 3: Cross multiply
    946,489.74x = 1,420,033.36 × 719,870.91
  4. Step 4: Simplify right side
    946,489.74x = 1,022,240,709,306.20
  5. Step 5: Solve for x
    x = 1,022,240,709,306.20/946,489.74
  6. Step 6: Final answer
    x = 1,080,033.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.